Introduction to MPSA18 NPN Low Noise Transistor

Hello, friends welcome to the new post. In this post, we will have a detailed look at Introduction to MPSA18 NPN Transistor. The MPSA18 belongs to the transistor family of NPN which has the ability to perform a function at less noise and provides a high value of gain. The gain parameters for this module are from five hundred to fifteen hundred and the operating voltage is forty-five volts.

Here we will cover its working, features, operation, and other related parameters. So let’s get started with Introduction to MPSA18 NPN Low Noise Transistor.

Introduction to MPSA18 NPN Low Noise Transistor

• The MPSA18 is NPN transistor that has two prominent features first one is the high value of gain and the second one is less value of noise.
• That offers a high value of amplification with the reasonable value of the signal-to-noise ratio.

• The signal and noise that exist at the input terminal of amplifier circuits is get amplified so this transistor provides such amplifier that offers less value of noise and offers an S/N ratio.
• Due to these features this component employed in such an application where less power audio amplifier configuration needed.
• With these applications, this transistor also preferred for switching circuits.
• The load value of forty-five volts can be run through this device having a current of two hundred milliamperes.
• The switch on the base terminal of this device there is seven volts are needed.

MPSA18 NPN Low Noise Transistor Features

• The main features of this transistor are explained here with detail.

• It is  NPN Transistor
• It offers the value of dc current gain from five hundred to fifteen hundred.
• There is less noise and high gain offered by this module.
• The value of the collector current is two millimeters.
• The value of collector to base voltage is forty-five volts.
• VEB volts for this device are seven volts.
• The value of transition frequency is one sixty megahertz.
• It is avaible in T0-92 pacakging.
• Value of VCE is forty-five volts.

Features	Details
Max Operating Temperature	150°C
Min Operating Temperature	-55°C
Voltage – Rated DC	45V
Max Power Dissipation	625mW
Gain Bandwidth Product	100MHz
Transistor Type	NPN
Collector Emitter Voltage (VCEO)	45V
Max Collector Current	200mA
DC Current Gain (hFE) (Min) @ Ic, Vce	500 @ 10mA 5V
Current Rating	100mA
Frequency	100MHz
Base Part Number	MPSA18
Polarity	NPN
Element Configuration	Single

Equivalent for MPSA18

MPSA18 Pinout

• The main pinout of this device are explained here.
• Collector: Through this terminal current moves to the transistor and it links with the load.
• Base: This terminal operates as a switch.
• emitter: Current comes out through this pin.

MPSA18 Applications

• The main applications of this device are explained here.

• It used in audio amplifier circuits.
• It operates as a switch.
• It used as less power amplifiers designing circuits.
• It operates as the output stage of amplifier circuits.

MPSA18 vs 2n5088 vs MPSA13

Features	MPSA18	2N5088	MPSA13
Collector to base voltage (VCB)	45V	35V	30V
Collector to emitter voltage (VCE)	45V	30V	30V
Emitter to base voltage (VEB)	6.5V	4.5V	10V
Collector current (IC)	200mA	100mA	500mA
Noise (NF)	1.5dB	3dB	–
Gain (hFE)	400 to 1500hFE	–	5000 to 10000hFE
Package	TO-92	TO-92	TO-92
Power dissipation	625mW	625mW	625mW
Junction temperature (TJ)	-55 to 150°C	-55 to 150°C	-55 to +150°C
Transition frequency (FT)	160MHZ	50MHZ	125MHz

Uses of MPSA18 Transistor

• MPSA18 is used for different applications in small signal requirements for amplifications with high gain signals like radio receiver circuits.
• It is also part of audio preamplifiers and low-level signals. It is also part of RF circuits that is less than 100MHz.

How to increase the working life of Circuit

• The working life of a transistor is based on safety for long-term working performance. For getting a longer working life so use 20 percent less max rating.
• The maximum current for the transistor is 100mA and 45 volts and the maximum load is 80mA and 35 Volts.
• The working temperature range is  -55 centigrade to +150 centigrade.

Read also

• Transistor Symbols | Definition, Terminals & Operating Condition
• Introduction to BC108 NPN Transistor
• Introduction to BC817 Transistor
• Transistor Biasing Method
• Introduction to IR2104 Half Bridge MOSFET Driver
• Introducing to BC556 Transistor: How It Works And Where You Can Use It

So that is a detailed post about MPSA18 i mentioned each and every parameter related to this post. if you have any further query ask in the comments. See you in the next post. Have a nice day.